I'm using ejb 2.1

17:09:10,157 INFO [EARDeployer] Init J2EE application: file:/home/jops/Programmi/jboss/jboss-4.2.0.CR2/server/default/deploy/progMW.ear
17:09:10,692 INFO [EjbModule] Deploying AutoriEntity
17:09:10,703 INFO [EjbModule] Deploying DocumentoEntity
17:09:10,712 INFO [EjbModule] Deploying IdEntityBean
17:09:10,787 INFO [EjbModule] Deploying DocumentoOldEntity
17:09:10,814 INFO [EjbModule] Deploying LoginWs
17:09:10,832 INFO [EjbModule] Deploying AteneoWs
17:09:10,851 INFO [EjbModule] Deploying DipartimentoWs
17:09:11,540 ERROR [ServiceEndpointPublisher] Cannot obtain waURL for: progMW.ear/progMW.jar
17:09:11,541 ERROR [MainDeployer] Could not create deployment: file:/home/jops/Programmi/jboss/jboss-4.2.0.CR2/server/default/tmp/deploy/tmp8223progMW.ear-contents/progMW.jar
org.jboss.deployment.DeploymentException: Cannot create service endpoint; - nested throwable: (org.jboss.ws.WSException: Multiple context root not supported) at org.jboss.deployment.DeploymentException.rethrowAsDeploymentException(DeploymentException.java:53)
at org.jboss.ws.integration.jboss42.DeployerInterceptor.create(DeployerInterceptor.java:83)
at org.jboss.deployment.SubDeployerInterceptorSupport$XMBeanInterceptor.create(SubDeployerInterceptorSupport.java:180)
at org.jboss.deployment.SubDeployerInterceptor.invoke(SubDeployerInterceptor.java:91)
at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:210)
at $Proxy32.create(Unknown Source)
at org.jboss.deployment.MainDeployer.create(MainDeployer.java:969)
at org.jboss.deployment.MainDeployer.create(MainDeployer.java:959)
at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:818)
at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:782)
at sun.reflect.GeneratedMethodAccessor18.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
at org.jboss.mx.interceptor.AbstractInterceptor.invoke(AbstractInterceptor.java:133)
at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
at org.jboss.mx.interceptor.ModelMBeanOperationInterceptor.invoke(ModelMBeanOperationInterceptor.java:142)
at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:210)
at $Proxy9.deploy(Unknown Source)
at org.jboss.deployment.scanner.URLDeploymentScanner.deploy(URLDeploymentScanner.java:421)
at org.jboss.deployment.scanner.URLDeploymentScanner.scan(URLDeploymentScanner.java:610)
at org.jboss.deployment.scanner.AbstractDeploymentScanner$ScannerThread.doScan(AbstractDeploymentScanner.java:263)
at org.jboss.deployment.scanner.AbstractDeploymentScanner$ScannerThread.loop(AbstractDeploymentScanner.java:274)
at org.jboss.deployment.scanner.AbstractDeploymentScanner$ScannerThread.run(AbstractDeploymentScanner.java:225)
Caused by: org.jboss.ws.WSException: Multiple context root not supported
at org.jboss.ws.integration.jboss42.ServiceEndpointGeneratorEJB.createJBossWebAppDescriptor(ServiceEndpointGeneratorEJB.java:258)
at org.jboss.ws.integration.jboss42.ServiceEndpointGeneratorEJB.generatWebDeployment(ServiceEndpointGeneratorEJB.java:71)
at org.jboss.ws.integration.jboss42.DeployerInterceptorEJB21.generateWebDeployment(DeployerInterceptorEJB21.java:114)
at org.jboss.ws.integration.jboss42.DeployerInterceptorEJB.createServiceEndpoint(DeployerInterceptorEJB.java:49)
at org.jboss.ws.integration.jboss42.DeployerInterceptor.create(DeployerInterceptor.java:78)
... 29 more

Is there an equivalent solution with ejb 2.1 to @WebContext(contextRoot="/beans") in ejb 3?
thanks